100 



MARINE BOTTOM SAMPLES OF LAST CRUISE OF CARNEGIE 



Table 33. Average calcium carbonate content of bottom samples in the area investigated 

 by the Carnegie, according to latitude and depth 



Latitude 



Depth in 

 meters 



All samples 



No. of 

 sam- 

 ples 



Average 

 per cent 

 CaC03 



Pelagic samples 



No. of 

 sam- 

 ples 



Average 

 per cent 

 CaC03 



